| 10-K/A | Amendment to a previously filed 10-K | Dec 28, 2011 |  Open Amendment to a previously filed 10-K in HTML. Open Amendment to a previously filed 10-K in DOC file. Open Amendment to a previously filed 10-K in PDF file. Open Amendment to a previously filed 10-K in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Dec 7, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4 | Statement of changes in beneficial ownership of securities | Nov 30, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4/A | Amendment to a previously filed 4 | Nov 16, 2011 | Open Amendment to a previously filed 4 in HTML.Open Amendment to a previously filed 4 in DOC file.Open Amendment to a previously filed 4 in PDF file. |
| 8-K/A | Amendment to a previously filed 8-K | Nov 16, 2011 | Open Amendment to a previously filed 8-K in HTML.Open Amendment to a previously filed 8-K in DOC file.Open Amendment to a previously filed 8-K in PDF file.Open Amendment to a previously filed 8-K in XLS file. |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | Nov 14, 2011 | Open Quarterly report which provides a continuing view of a company's financial position in HTML.Open Quarterly report which provides a continuing view of a company's financial position in DOC file.Open Quarterly report which provides a continuing view of a company's financial position in PDF file.Open Quarterly report which provides a continuing view of a company's financial position in XLS file. Open Quarterly report which provides a continuing view of a company's financial position in XBLR Viewer. Open Quarterly report which provides a continuing view of a company's financial position in XBLR file. |
| 4 | Statement of changes in beneficial ownership of securities | Oct 6, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 10-Q/A | Amendment to a previously filed 10-Q | Sep 7, 2011 | Open Amendment to a previously filed 10-Q in HTML.Open Amendment to a previously filed 10-Q in DOC file.Open Amendment to a previously filed 10-Q in PDF file.Open Amendment to a previously filed 10-Q in XLS file.Open Amendment to a previously filed 10-Q in XBLR Viewer.Open Amendment to a previously filed 10-Q in XBLR file. |
| 8-K | Report of unscheduled material events or corporate event | Aug 23, 2011 | Open Report of unscheduled material events or corporate event in HTML.Open Report of unscheduled material events or corporate event in DOC file.Open Report of unscheduled material events or corporate event in PDF file.Open Report of unscheduled material events or corporate event in XLS file. |
| 3 | Initial filing by director officer or owner of more than ten percent. | Aug 23, 2011 | Open Initial filing by director officer or owner of more than ten percent. in HTML.Open Initial filing by director officer or owner of more than ten percent. in DOC file.Open Initial filing by director officer or owner of more than ten percent. in PDF file.Open Initial filing by director officer or owner of more than ten percent. in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Aug 23, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4 | Statement of changes in beneficial ownership of securities | Aug 16, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 10-Q | Quarterly report which provides a continuing view of a company's financial position | Aug 15, 2011 | Open Quarterly report which provides a continuing view of a company's financial position in HTML.Open Quarterly report which provides a continuing view of a company's financial position in DOC file.Open Quarterly report which provides a continuing view of a company's financial position in PDF file.Open Quarterly report which provides a continuing view of a company's financial position in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Aug 12, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 8-K | Report of unscheduled material events or corporate event | Jul 28, 2011 | Open Report of unscheduled material events or corporate event in HTML.Open Report of unscheduled material events or corporate event in DOC file.Open Report of unscheduled material events or corporate event in PDF file.Open Report of unscheduled material events or corporate event in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 25, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 25, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 25, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 25, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 25, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 25, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| 8-K | Report of unscheduled material events or corporate event | Jul 20, 2011 | Open Report of unscheduled material events or corporate event in HTML.Open Report of unscheduled material events or corporate event in DOC file.Open Report of unscheduled material events or corporate event in PDF file.Open Report of unscheduled material events or corporate event in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Jul 14, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
| S-8 | Securities offered to employees pursuant to employee benefit plans | Jul 11, 2011 | Open Securities offered to employees pursuant to employee benefit plans in HTML.Open Securities offered to employees pursuant to employee benefit plans in DOC file.Open Securities offered to employees pursuant to employee benefit plans in PDF file.Open Securities offered to employees pursuant to employee benefit plans in XLS file. |
| 4 | Statement of changes in beneficial ownership of securities | Jun 20, 2011 | Open Statement of changes in beneficial ownership of securities in HTML.Open Statement of changes in beneficial ownership of securities in DOC file.Open Statement of changes in beneficial ownership of securities in PDF file. |
